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mwaterfall/UnknownCaseRepresentable.swift

Created January 13, 2019 11:26
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UnknownCaseRepresentable.swift
protocol UnknownCaseRepresentable: RawRepresentable, CaseIterable {
static var unknownCase: Self { get }
}
extension UnknownCaseRepresentable where Self.RawValue: Equatable {
init(rawValue: RawValue) {
let value = Self.allCases.first(where: { $0.rawValue == rawValue })
self = value ?? Self.unknownCase
}
}
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